Wrench



Dc. 17, 1929. H. wAT-rs I 1,739,880

WRENCH I Filed Jan. 9. 1928 Patented Dec. 17,. 1929 WRENCH Application filed January 9, 1928. Serial No. 245,473.`

This invention relates to tools and more particularly to a wrench. Vhen screwing a pipe into or out of engagement with a coupling or another pipe having threads to fit it, it is necessary to employ a wrench having jaws which will grip the round surface of a pipe or coupling whereas when applying a nut to a bolt it is customary to emploj7 a wrench having flat jaws. It is, therefore, necessary for a workman to be provided with a pipe wrench, generally referred to as a Stillson wrench, and also a wrench having jaws with. flat faces and referred toas a monkey wrench. Therefore, one object of the invention is to provide awrench which may be used either to grip a'nut or a pipe and, by serving both purposes, reduce the number of tools carried and accordingly reduce the weight of a tool box or kit and further insure possession of the right type of wrench.

Another object of the invention is to so form the wrench that the shank of one wrench may constitute an operating handle for both wrenches, thereby producing a compact tool.

Another object of the invention is to so associate the monkey wrench with the Stillson wrench that by proper adjustment thereof it may extend forwardly and rearwardly from the Stillson wrench and thereby constitute a handle which may be grasped with both hands and a very strong leverage is provided, which will permit a pipe or coupling which has rusted into place to be easily loosened and removed.

The invention is illustrated in the accom panying drawings, wherein:

Figure 1 is a view showing the improved wrench in side elevation.

Figure 2 is a view showing the wrench partially in longitudinal section and partially in side elevation.

Figure 3 is a transverse sectional view through the wrench.

The improved wrench constituting the subject matter of this invention includes abody portion 1 formed of strong metal and, at its forward end, having extensions 2 and 3 constituting stationary jaws. The jaw 2 is formed with pipe gripping teeth 4 so that it 'may firmly engage a pipe to be turnedfbut the jaw 3 has its nut engaging surface-smooth. Bores 5 and 6 are formed longitudinally through the body 1 in spaced relation to each other between the jaws 2 and 3 to slidablyl receive the threaded Shanks 7 and 8 of the movable jaws 9 and 10 which `cooperate with the stationary jaws 2 and 3. Teeth 11 are formed upon the jaw 9 to cooperatewith the teeth land permit a pipe or coupling to befirmly gripped between these two jaws. A n

passage 12 is formed transversely through the body 1 in intersecting relation to the bore 5 and rotatably receives an internally threaded adjusting nut 13 which fits about the shank 7 in intermeshing y engagement with its threads so that by turning the nut the shank may be moved longitudinally in order to adjust the jaw 9 relative to 'the jaw 2 and thereby provide the proper space between the twof jaws. In order to-allow the jaw 9 to have a certainamount of movement relative to' the jaw 2 and thereby allow the wrench to be turned about a pipe and obtain a new grip without being removed from the pipe, there has been provided Ia resilient strip 14; formed of metal and having one. end secured to avwall lof the bore 5 by a machine screw or other suitable fastener 15. By an inspection `of Figure 2 of the drawingsit will be seen that this resilient strip extends longitudinally in the bore and its inner end portion'diverges from the wall of the bore to which it is attached and is longitudinally' curved as shown at 16 so that it may bear against the threaded `3 and a lug or iingerflS vand is'of such'v diameter that it may engage the i threads of the shank and yieldably retainV the jaw 9 substanv shank 8 exposed through the recess or opening 19 formed in they body and communicating with the bore 6. The'adjusting screw is rotatably mounted-by a pivot pin consisting of a bolt 2O passed through an opening 21 in the lug 18 and through the axially disposed bore 22 of the adjusting screw with its threaded end portion screwed into a socket 23 formed in the inner end portion of the jaw 3. By an inspection of Figure 2 it will be readily seen thatwhen `the adjusting nut is rotated the shank 8 will be moved longitudinally andthe jaw l0 adjusted toward or away from the jaw 3 according to the direction in which the nut is rotated. It should be noted that the shank 8 is of greater length than the shank 7 and projects from the body of the wrench to such an eXtent that it will constitute a handle which may be grasped in order to operate the Wrench and turn a pipe or nut gripped ,between either the jaws yof the pipe wrench or the jaws of .the monkey wrench. It should be further noted that since the shank 8 is elongated it may be adjusted to project both forwardly and rearwardly from the body of the wrench and thereby provide the pipe wrench with a double-ended handle projecting forwardly and rearwardly therefrom so that the operator may grasp the handle at .each end and thereby apply leverage which will vcause a pipe tobe easily turned if rusted to another pipe or coupling.

Having thus described the invention, what I .claim is:

1. A wrench compris-ing a body formed with longitudinally extending parallel bores .spaced from each other and opening through the front and rear `ends of the body, the body having opposed side openings communicating with one bore intermediate its ends, and an edge face of the body being formed with an opening communicating with the other bore intermediate its ends, the forward portion of said body having an arm extension constituting a stationary jaw, a movable jaw, a

HERBERT WATTS. [n s] shank for said movable jaw slidably passed l through one bore and formed with threads, a second shank passed through the other bore and having a threaded edge and adjusting nuts rotatably n-ounted in the openings of said body and having threads meshing with the threads of the'respective Shanks to adjust the shanks longitudinally when' rotated, the second shank being relatively elongated and projecting through both ends'of the body whereby it may constitute a lever and the opposed surfaces of the two Shanks being parallel throughout their length, said movable jaw extending in a direction away from the second shank.

2. A wrench comprising a body formed with longitudinally extending bores spaced from each otherV and opening through the front andrear ends of the body, the forward portion of the body having an extension constituting aV stationary jaw, a movable jaw cooperating with said stationary jaw and hav ing a threaded shank slidably passed through a bore of said body, a second shank passed ilo 

